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Pages 529-544

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From page 529...
... Index A Acetylcholine, 30, 248-249 synthesis affected by choline in brain, 381, 387-388 in peripheral neurons, 389 ACTH, plasma levels in stress, 182 Acute-phase reactions in stress, 16-17, 180, 191-194 military aspects of, 195- 196 Acute stress and dopamine in brain, 166- 167 and norepinephrine in brain, 164-165 and serotonin in brain, 168- 169 529 tyrosine administration in animal studies of, 282-287, 299 human studies of, 287-293, 298 Acyl-CoA transport, carnitine affecting, 434-437 Additives in foods, regulation of, 464 Adrenal glands, stress affecting, 14, 181-183 Aerobic endurance ergogenic aids affecting, 226, 227-228 field task tests of, 123 laboratory tests of, 120- 122
From page 530...
... . Argmlne effects of administration, 272-273 immunological role of, 191 B Bicarbonate ergogenic effects of, 230-231 and muscle pH during exercise, 20, 60 Biochemical strategies for ration design, 7-8, 93-106 Biotin, safe and adequate intake of, 96 Blood doping as ergogenic aid, 226 Blood pressure, caffeine affecting, 33 Brain function affected by choline, 387-388 neurotransmitters in.
From page 531...
... INDEX in sleep deprivation, 420-421 discussion of, 428-431 effects in sleep deprivation, 411-424 ergogenic effects of, 228-229 expectancies affecting behavioral outcomes with, 141 mood affected by, 409-410 in sleep deprivation, 419-420 performance affected by, 32-34, 293-294, 409 in sleep deprivation, 416-419, 428-430 physiological effects of, 410-411, 421-423 potential to enhance performance, 49-50 recommended research and usage, 56-57, 424-425 research at USARIEM, 70-72 Calcium intake, recommended daily allowance for, 95 Caloric intake deficiency of, time course for onset of symptoms in, 106 recommended daily allowance for, 95 Carbohydrate intake, 321-343 affecting load-bearing work and marksmanship, 69-70 balance with protein in, 331-332 and cognitive performance, 335-342 complex carbohydrates in, 323 cravings for, 23, 243-244, 334 deficiency of, time course for onset of symptoms in, 106 differences in affective response to, 333-334 discussion of, 348-350 effects at breakfast or at lunch, 331, 336-340 531 and fatigue, 326-335 folk beliefs on, 322-323 glucose ingestion affecting memory, 341 monoamines affecting, 12 mood changes from, 23, 26-27 and physical performance, 20-21, 342 potential to enhance performance, 49 and reactive hypoglycemia, 323, 328-329 recommended daily allowance, 95 recommended research and usage, 57, 59, 343 serotonin levels in brain affecting, 23, 242-244 and serotonin synthesis in brain, 329-330 simple sugars in, 322-323 in snacks, 340-341 as supplemental fuel source, 226-227, 232 and thermoregulation in cold exposure, 68 and work at high altitude, 60, 67 and work in heat, 68-69 Carcinogenesis, choline role in, 393-394 Cardiovascular stress, tyrosine affecting in animals, 286-287 in humans, 288-289 Carnitine, 433-451 affecting pyruvate metabolism, 440-443 assay methods for, 438 discussion of, 452 and fatty acid oxidation, 358, 434
From page 532...
... 532 functions of, 434-437 and lactate production, 436, 442 metabolism affected by exercise, 438-440, 447-449 and physical performance, 34-36 recommended research and usage, 58, 450-451 supplemental and available coenzyme A pool, 444-445 dietary intake versus pharmacological doses in, 450 and exercise performance, 449 and fatty acids used during exercise, 443-444 and work output, 446-447 theoretical importance of, 51-52 Catecholamines activity in stress, 279-280 affecting immune system, 198 plasma levels in stress, 181 synthesis in brain, 162- 163 stress affecting, 12- 13 tyrosine affecting synthesis of, 246-248, 278-279 Central nervous system responses to stress, 12- 13 Chloride deficiency of, time course for onset of symptoms in, 106 safe and adequate intake of, 96 Choline, 248-250, 381-394 and acetylcholine synthesis in brain, 381, 387-388 and carcinogenesis, 393-394 deficiency of, 30-31, 385-387 fatty liver in, 382, 386-387, 393, 404 dietary sources of, 382-383 discussion of, 402-405 INDEX effects at neuromuscular junction, 389 functions of, 29-30 and memory function, 388 metabolism of, 383-385 and neurotransmission in brain, 381, 387-388 plasma levels of, 383 exercise affecting, 404-405 potential areas of interest, 31-32 potential to enhance performance, 50-51 recommended research and usage, 57-58, 59, 394 requirements in humans, 382, 385-387, 402 safe and adequate intake of, 96 and transmembrane signaling, 381-382, 390-393 Chromium, safe and adequate intake of, 96 Chronic stress amino acid requirements in, 274 and dopamine in brain, 167- 168 and norepinephrine in brain, 165-166 and serotonin in brain, 169- 170 Circadian rhythms disruptions of arid adrenal function in stress, 14, 15 affecting performance, 144 stress affecting, 183 Cocoa butter, substitute for, 373 Cognitive performance. See Mental performance Cold stress carbohydrate intake affecting thermoregulation in, 68 memory impairment in, 301 -316 discussion of, 319-320 glucose affecting, 28, 312-315
From page 533...
... INDEX tyrosine affecting, 25, 305-312 Combat settings acute behavioral effects of, 281 food intake in, 10-11, 148-149, 269 sleep deprivation in, 9-10 stress reaction syndrome in, 281 Committee on Military Nutrition Research (CMNR) questions for, 4 responses to, 53-56 recommendations of, 56-60 Contextual variables affecting food intake, 10-11, 137-151 baseline data in, 139-140 in clinical disorders, 144 combat conditions affecting, 148-149 controlled treatment conditions in, 142 discussion of, 154-157 expectancies in, 140- 141 individual differences in, 142-143 levels of treatment complexity in, 146-147 military issues in, 149- 150 social factors in, 145- 146 Copper, safe and adequate intake of, 96 Corticotropin-releasing factor affecting immune system, 198 and effects of stress on working memory, 305-306 neuronal production of, 182 Cortisol plasma levels in stress, 14, 182-183 secretion affected by cytokines, 197 Cycle ergometry, 120 533 glucose uptake studies in, 213-214 Cyclodextrins as carriers of nutrients, 103-104 Cytokines and acute-phase reactions, 16-17, 180, 191-194 and cortisol secretion, 197 and hormone production, 14 responses to stress, 189- 191 D Deficiency syndromes, time course for onset of, 106 Dehydration, water intake in, 232, 233 Delivery of nutrients, biochemical strategies for, 100-104 Design of rations, 7, 77-91 basic performance-nutrient concept in, 84-85 biochemical strategies for, 7-8, 93-106 controlled delivery of nutrients in, 101-104 barriers in, 101-102 discussion of, 108-109 encapsulation techniques in, 103-104 criteria for, 105-106 dual-function ingredients in, 104-105 experimental diets in, 86-89 factors affecting, 78 goal programming in, 85-86 interactions of nutrients in, 98-101 military nutrition standards in, 94-96
From page 534...
... 534 practical considerations in, 97-101 self-heating individual meal modules in, 79-82 in tailored-ration system, 89 and time course for onset of nutrient deficiency syndromes, 106 Dexfenfluramine affecting serotonin levels, 243-244 Diacylglycerol, 368 role in transmembrane signalling, 391-392 Dichloroacetate affecting blood lactate levels, 20 ergogenic effects of, 231 Dihydroxyacetone with pyruvate, ergogenic effects of, 229 Docosahexaenoic acid, 360-362 L-Dopa, food intake affecting therapeutic effects of, 241-242 Dopamine in brain stress affecting, 13, 166- 168 synthesis of, 162- 163 tyrosine affecting, 246-248, 278 Drug or food categories definitions of, 461-463 and delivery of nutrients, 103 dosages affecting, 106, 108- 109 and effects of nutrients in pure form or in natural food form, 253-254 for ergogenic aids, 224 and FDA regulations, 38 Dual-function ingredients, 104-105 E Eicosapentaenoic acid, 360-362 INDEX Encapsulation of nutrients, techniques for, 103-104 Endocrine responses to stress, 14-15, 180-186 in animal models, 215-217 in exercise, 214-215 interactions with immune responses, 197- 199 pancreatic clamp studies, 215-216 Endorphins affecting immune system, 198 stress affecting, 186 Endurance capacity tests, 120-123 Energy intake. See Caloric intake Eosinophilia-myalgia syndrome from tryptophan, 36, 455-456, 466-467 Epinephrine affecting blood glucose levels, 18 plasma levels in exercise, 214 in stress, 181 synthesis affected by tyrosine, 278 Ergogenic aids to enhance recovery, 232-233 to maximize muscle glycogen stores, 225-226 neurostimulant, 224-225 to reduce metabolic by-products, 230-232 as supplemental fuel source, 226-230 Ergometry, cycle, 120 glucose uptake studies in, 213-214 Erythropoietin injections as ergogenic aid, 226 Exercise
From page 535...
... See Triglycerides Fear affecting food intake, 144 Fenfluramine affecting carbohydrate intake, 23 535 FieldBreak version of Meal Ready-to-Eat, 82 Fight or flight response to stress, 14, 17-8, 181 Fluoride. safe and adequate , intake of, 96 Fluoxetine affecting serotonin release, 242 Folic acid affecting choline metabolism, 384-385 Follicle-stimulating hormone secretion, stress affecting, 15, 185 Food and Drug Administration (FDA)
From page 536...
... See Serotonin in brain Hypersensitivity, delayed, stress affecting, 188 INDEX Hypoglycemia, reactive, 323, 328-329 Hypoxia, hypobaric, effects of tyrosine in in animals, 285-286 in humans, 287-288 I Immune system malnutrition affecting, 196- 197 responses to stress, 15-17, 186-197 interactions with hormonal responses, 197-199 Immunizations, stress affecting antibody responses to, 188 Immunodeficiency syndrome, nutritionally acquired, 196 Individual differences in affective response to carbohydrate intake, 333-334 in variables affecting food intake, 142-143 Infectious diseases, stress in, 179-180 Insulin affecting ~yptophan levels in plasma, 241 plasma levels carbohydrate supplementation affecting, 227 in exercise, 18, 214-215 medium-chain fatty acids affecting, 370 stress affecting, 14, 185 Insulin-like growth factor, stress affecting, 186 Interleukins IL-1, 192-194 IL-6, 194
From page 537...
... . memory 1mpa1nnent In glucose intake affecting, 341 Mental performance caffeine affecting, 32, 409 in sleep deprivation, 416-419 carbohydrate intake affecting, 27-28, 335-342 choline affecting, 31 and cold-induced memory impairment, 301-320 evaluation of, 9- 10 food components affecting, 21 -24
From page 538...
... See Neurotransmitters in brain Mood affecting performance, 324-326 caffeine affecting, 32-33, 409-410 in sleep deprivation, 419-420 carbohydrate intake affecting, 23, 26-27, 266, 324-335 and food intake, 144 protein intake affecting, 266 Motivation affecting performance, INDEX 325-326 Muscle carnitine concentrations in exercise, 439 energy supply for, 115-116 glycogen levels carbohydrate supplementation affecting, 227, 232 and lactate output from .
From page 539...
... INDEX tyrosine affecting synthesis of, 246-248, 278 Nutritional standards for military rations, 94-96 o Obesity, carbohydrate craving in, 243-244, 334 Ohmic heating for sterilization of food, 80 Opioid peptides affecting immune system, 198 response to carbohydrate intake, 327 stress affecting, 186 Oxytocin levels, stress affecting, 186 p Pancreas clamp studies of hormones affecting glucose production, 215-216 hormones affected by stress, 185 Pangamic acid, dichloroacetate activity in, 231 Pantothenic acid, safe and adequate intake of, 96 Parasympathetic cholinergic neurotransmission, choline affecting, 389 Pemmican affecting performance, 255 Performance enhancement research at USARIEM, 65-74 Phosphate 539 intake affecting tissue oxygen extraction, 20 loading with, ergogenic effects of, 226 Phosphatidylcholine, 30, 248-250, 382, 390 as dietary supplement, 383, 403-404 hydrolysis products of, 392-393 plasma levels of, 383 Phospholipase C activation, and signal transduction, 391 Phospholipids, choline, 382, 390 and signal transduction, Phosphorus, recommended daily allowance for, 95 Physical performance aerobic power in, 117-118 anaerobic power in, 117 carbohydrate intake affecting, 26-27, 342 carnitine affecting, 34-36 energy substrate supply in, 119 evaluation of, 8, 113- 124 food components affecting, 19-21 metabolic capacity in, 115-118 muscular strength in, 116-117 neuromotor control in, 118-119 physiological factors in, 114-120 psychological factors in, 114 submaximal endurance capacity in, 120-123 tissue homeostasis in, 120 Pituitary hormones, stress affecting, 14, 184- 185 Potassium, recommended daily allowance for, 95 Pregnancy, effects of caffeine in, 34
From page 540...
... 540 Premenstrual syndrome, carbohydrate craving in, 244, 334 Prolactin affecting immune system, 198 stress affecting secretion of, 15, 184-185 Prostaglandin blocking agents affecting performance in stress, 17, 60, 193 Protein intake affecting tryptophan and serotonin levels in brain, 241 and appetite regulation, 266 and cognitive performance, 27-28 deficiency of, time course for onset of symptoms in, 106 ergogenic effects of, 263-270 discussion of, 272-275 nonnal, 243 recommended daily allowance for, 95 requirements in stress, 264-265, 269 and tryptophan levels in plasma, 331-332 Protein kinase C activation, and signal transduction, 391-392 Pyruvate with dihydroxyacetone, ergogenic effects of, 229 metabolism affected by carnitine, 440-443 R Radiation for sterilization of food, 80 Reaction times, caffeine affecting, 409 INDEX in sleep deprivation, 416 Recommendations regarding food components, 56-59 amino acids, 269-270, 458-459 caffeine, 56-57, 424-425 carbohydrates, 57, 59, 343 carnitine, 58, 450-451 choline, 57-58, 59, 394 glucose, 316 and ration design, 104- 106 structured lipids, 58, 373-374 tyrosine, 58-59, 293-294, 315-316 Recommended dietary allowances, military, 6, 95-96, 481-500 Regulation of food components by FDA, 38, 461-468 discussion of, 469-475 Renin secretion, stress affecting, 15, 183 Research in nutritional enhancement of soldier performance, 5-6 potential areas for, 59-60 studies at USARIEM from 1985 to 1992, 65-74 S Safety of supplements amino acids, 36-38, 455-459 ingredients generally recognized as safe, 463-464 and regulation by FDA, 38, 461-468 Seasonal affective disorder. carbohydrate craving in, 244, 334 Secretin levels in plasma, stress affecting, 186
From page 541...
... endocrine responses to, 14-15, 180-186 in animal models, 215-217 in exercise, 214-215 interactions with immune responses, 197-199 pancreatic clamp studies, 215-216 immune system responses to, 15-17, 186-197 interactions with hormonal responses, 197-199 in infectious diseases, 179- 180 metabolic responses to, 17- 19, 209-234 and monoamine neurons in brain, 161-171 discussion of, 174- 175 dopamine, 166-168 norepinephrine, 164- 166 serotonin, 168-170
From page 542...
... 542 protein requirements in, 264-265 Stress proteins, 194- 195 T Tardive dyskinesia, choline in, 249 Testosterone levels, stress affecting, 15, 185 Thermoregulation, carbohydrates affecting in cold exposure, 68 in heat, 68-69 Thymic involution, stress-induced, 187 Thyroid hormone levels, stress affecting, 15, 184 Trace minerals, deficiency of, time course for onset of symptoms in, 106 Treadmill tests, 120 Triglycerides hepatic accumulation in choline deficiency, 382, 386-387, 393 long-chain energy content of, 359 metabolism of, 352-355 mixed with medium-chain triglycerides, 358, 368 medium-chain, 355-360 energy content of, 359 in exercise studies, 229-230, 368-370, 378 mixed with long-chain triglycerides, 358, 368 therapeutic uses of, 360, 373 thermal response to, 359, 370, 378 Tryptophan brain levels of INDEX protein diet affecting, 268, 272 stress affecting, 168- 169 effects in pure form or in natural food form, 253-254 eosinophilia-myalgia syndrome from, 36, 455-456, 466-467 plasma levels of, protein affecting, 331-332 ratio to branched-chain amino acids, 225 ratio to other large neutral amino acids, 241 carbohydrate intake affecting, 22-23, 27, 329 safety of, 36, 59 and serotonin synthesis in brain, 240-242 therapeutic uses of, 267 transport into brain, 241, 260 Tumor necrosis factor, 194 Tyrosine, 277-294 and acute stress animal studies of, 282-287, 299 human studies of, 287-293, 298 and cold-induced memory impairment, 25, 305-312 in field operations, 307-308 in repeated acquisition procedures, 310 dietary supplements of, 12-13, 24, 266-268 safety of, 36, 37 discussion of, 298-299 effects in pure form or in natural food form, 253-254 and mental performance, 21 potential to enhance performance, 50, 293-294
From page 543...
... , performance enhancement research from 1985 to 1992, 65-74 V Vaccines, stress affecting antibody responses to, 188 Vasoactive intestinal peptide affecting immune system, 198 stress affecting, 186 543 Vasopressin, arginine, plasma levels affected by stress, 186 Vitamin intake deficiency of, time course for onset of symptoms in, 106 recommendations for, 95, 96 regulation of supplements in, 465 W Warrior's Edge, 150 Water deficiency of, time course for onset of symptoms in, 106 intake of affecting physical performance, 20 amino acids affecting, 273 in dehydration, 232, 233 losses from heat, 231-232 Work-producing aids. See Ergogenic aids Wound healing, choline affecting, 31-32 z Zinc, recommended daily allowance for, 95


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